CN217719799U

CN217719799U - General type lithium battery module structure

Info

Publication number: CN217719799U
Application number: CN202221697731.2U
Authority: CN
Inventors: 赵丹; 刘长来; 孙光忠; 解正安
Original assignee: Camel Group New Energy Battery Co Ltd
Current assignee: Camel Group New Energy Battery Co Ltd
Priority date: 2022-06-30
Filing date: 2022-06-30
Publication date: 2022-11-01
Anticipated expiration: 2032-06-30

Abstract

The utility model discloses a general type lithium cell battery module structure, including aluminium shell electricity core, carrier, shell and upper cover, the shell is inside to have one and to hold the chamber, aluminium shell electricity core set up in hold in the chamber, the carrier is located on the aluminium shell electricity core, just the carrier upper surface is equipped with flexible acquisition board and land bar, flexible acquisition board and land bar welding, the land bar with the utmost point post welding of aluminium shell electricity core, the carrier through set up the first connecting piece in the carrier both sides with the both sides fixed connection of shell, the upper cover is in order to cover aluminium shell electricity core with the form of carrier with the uncovered department at shell top joints, just the upper cover through set up the second connecting piece in upper cover both sides with carrier fixed connection. The utility model relates to a general type of general type lithium cell battery module that the structure is reliable, modularization and integration are high.

Description

General type lithium battery module structure

Technical Field

The utility model relates to a lithium cell technical field, concretely relates to general type lithium cell battery module structure.

Background

The lithium ion battery system belongs to a product with high integration of electrochemical, electronic, electrical and thermal management components, for example, a 12V start-stop system is adopted by most electrical elements in vehicle type development in the current automobile industry. The invention discloses a novel LN1 12V lithium battery system which comprises a shell, a battery module and a battery upper cover, wherein the battery module and the battery upper cover are arranged in the shell, one end of the shell is arranged in an open mode, the battery upper cover is arranged at one open end of the shell in a covering mode, the battery module comprises an electric core, a positive output terminal and a negative output terminal are arranged on the battery upper cover and are used for being electrically connected with the battery module in a positive and negative sequence, the positive output terminal and the negative output terminal penetrate through the battery upper cover and stretch out to be electrically connected with a vehicle-mounted circuit system, and the novel LN 1V 12V lithium battery system which is high in integration level, space-saving and high in compressive strength and is matched with an automobile circuit system is provided by the technology. However, in this technique, the positions of the positive output terminal and the negative output terminal, which are electrically connected to the battery module in the order of the positive and negative electrodes, provided on the battery top cover are fixed, and the battery module is only suitable for LN1 series batteries, which has a disadvantage of limited application range.

SUMMERY OF THE UTILITY MODEL

In view of this, the utility model provides a general type lithium battery module structure, this battery module structure have insulating isolation, fire-retardant, resistance to shock press, be convenient for the characteristics of welding installation, are a reliable structure, modularization and the general type lithium battery module that the integration is high.

The utility model discloses a solve the technical scheme that above-mentioned technical purpose adopted and do:

the utility model provides a general type lithium battery module structure, includes aluminum hull electricity core, carrier, shell and upper cover, the shell is inside to have one and to hold the chamber, the aluminum hull electricity core set up in hold in the chamber, the carrier is located on the aluminum hull electricity core, just the carrier upper surface is equipped with flexible collection board and link bar, flexible collection board and link bar welding, the link bar with the utmost point post welding of aluminum hull electricity core, the carrier through set up the first connecting piece in the carrier both sides with the both sides fixed connection of shell, the upper cover is in order to cover the aluminum hull electricity core with the form of carrier with the uncovered department joint at shell top, just the upper cover through set up the second connecting piece in upper cover both sides with carrier fixed connection.

Furthermore, the aluminum shell battery cell is formed by overlapping more than one single battery cell, and heat insulation buffer cotton is arranged between every two adjacent single battery cells.

Furthermore, the shell includes two curb plates and two end plates, two curb plates set up the outside a set of opposite side of aluminum hull electricity core, two end plates set up the outside another pair of opposite side of aluminum hull electricity core, just between curb plate and the end plate, between curb plate and the aluminum hull electricity core and all through laser welding or CMT cold welding fixed connection between end plate and the aluminum hull electricity core.

Further, the lateral surfaces of the two side plates are provided with a plurality of reinforcing ribs.

Furthermore, PC insulating films are adhered to the lower parts of the outer side surfaces of the two end plates.

Furthermore, the first connecting piece comprises positioning pins arranged on two sides of the carrier and fixing holes matched with the positioning pins, the fixing holes are formed in the top of the end plate, and the carrier is fixed on the shell through the insertion of the positioning pins and the fixing holes.

Further, the number of the fixing holes is multiple, and the fixing holes are used for connecting different carriers.

Furthermore, the first connecting piece further comprises buckles which are arranged on two sides of the carrier and close to the positioning pin.

Further, the upper portion of end plate still be equipped with buckle looks adaptation's through-hole, the quantity of through-hole is a plurality of.

Furthermore, the second connecting piece is including setting up the inserted block of upper cover both sides and rather than the slot of looks adaptation, the slot is seted up the both ends of carrier, just the quantity of inserted block and slot is the multiunit of looks adaptation.

Compared with the prior art, the beneficial effects of the utility model mainly include:

the utility model provides a pair of general type lithium battery module structure, set up insulating upper cover through the outside parcel shell at aluminum hull electricity core and at the uncovered department at shell top and be used for protecting the aluminum hull electricity core, through flexible acquisition board and the connecting row welding on the carrier, and the connecting row becomes the battery module of lithium cell with the welding of aluminium box electricity core utmost point post, obtain a structural reliability is strong, insulating isolation, fire-retardant, the general type lithium battery module structure of shock resistance pressure and the welding installation of being convenient for, and this battery module has very strong commonality, can be applied to different series open and stop in the battery system, the limited not enough of current lithium battery module application range has been overcome.

Drawings

Fig. 1 is a schematic view of the overall structure of a general lithium battery module structure according to the present invention;

fig. 2 is an exploded view of fig. 1.

Shown in the figure:

100-aluminum shell battery cell, 101-single battery cell, 102-heat insulation buffer cotton;

200-carrier, 201-flexible collecting board, 202-connecting row, 203-first connecting piece, 203 a-positioning pin, 203 b-fixing hole, 203 c-buckle and 203 d-through hole;

300-shell, 301-side plate, 302-end plate, 303-reinforcing rib and 304-PC insulating film;

400-upper cover, 401-second connector, 401 a-insert, 401b slot.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

Please refer to fig. 1-2 together, the utility model provides a general type lithium battery module structure, including aluminum hull electricity core 100, carrier 200, shell 300 and upper cover 400, shell 300 is inside to have one and to hold the chamber, aluminum hull electricity core 100 set up in hold in the chamber, carrier 200 is located on the aluminum hull electricity core 100, just carrier 200 upper surface is equipped with flexible acquisition board 201 and link bar 202, flexible acquisition board 201 and link bar 202 welding, link bar 202 with aluminum hull electricity core 100's utmost point post welding, carrier 200 through set up at the first connecting piece 203 of carrier 200 both sides with the both sides fixed connection of shell 300, upper cover 400 in order to cover aluminum hull electricity core 100 with the form of carrier 200 with the uncovered department at shell 300 top joins in marriage, just upper cover 400 through set up at the second connecting piece 401 of upper cover 400 both sides with carrier 200 fixed connection.

With the above structure, by disposing the aluminum-case battery cell 100 in the accommodating cavity inside the case 300 and by disposing the insulating upper cover 400 at the opening of the case 300 for protecting the aluminum-case battery cell 100 and the carrier 200, a universal lithium battery module having high safety and reliability can be obtained; through setting up flexible collection board 201 and run-on board 202 at the upper surface of carrier 200 to with flexible collection board 201 and run-on board 202 welding, and with the utmost point post welding of run-on board 202 and aluminium shell electricity core 100, can guarantee the battery performance of battery module, effectively improve the electric connection reliability of battery module, guarantee battery system's security.

In some embodiments, as shown in fig. 2, the aluminum-clad battery core 100 is formed by stacking more than one battery cell 101, and heat-insulating buffer cotton 102 is arranged between every two adjacent battery cells 101, so that the heat-insulating buffer cotton 102 can prevent the battery cells 101 from transmitting an excessive temperature to each other, protect the battery cells 101, and prolong the service life of the battery module.

In some embodiments, the casing 300 includes two side plates 301 and two end plates 302, the two side plates 301 are disposed on one set of opposite sides of the exterior of the aluminum casing cell 100, and the two end plates 302 are disposed on the other set of opposite sides of the exterior of the aluminum casing cell 100. Optionally, an up-and-down open box structure is formed by the two side plates 301 and the two end plates 302, and the aluminum-shell battery cell 100 is located in the box structure, so that the aluminum-shell battery cell 100 can be well protected. The contact surface between the side plate 301 and the end plate 302, the contact surface between the side plate 301 and the aluminum shell battery cell 100, and the contact surface between the end plate 302 and the aluminum shell battery cell 100 are fixedly connected through laser welding or CMT cold welding, and the connection is firm.

In some embodiments, a plurality of ribs 303 are disposed on the outer side surfaces of the two side plates 301, and the strength of the housing 300 is improved by the ribs 303.

In some embodiments, a PC insulating film 304 is adhered to the lower portion of the outer side surfaces of the two end plates 302.

In some embodiments, the first connector 203 includes positioning pins 203a disposed on both sides of the carrier 200 and fixing holes 203b adapted to the positioning pins 203a, the fixing holes 203b are opened on the top of the end plate 302, and the carrier 200 is fixed on the housing 300 by inserting the positioning pins 203a into the fixing holes 203 b.

Alternatively, the number of the fixing holes 203b is plural, and the fixing holes can be used for connecting different carriers 200.

In some embodiments, the first connector 203 further comprises a catch 203c disposed on both sides of the carrier 200 and near the position of the positioning pin 203a, and the upper portion of the end plate 302 is provided with a through hole 203d adapted to the catch 203c, so that the carrier 200 and the housing 300 can be more firmly connected by inserting the catch 203c into the through hole 203d.

Optionally, the number of the through holes 203d is multiple, and the matched through holes 203d may be selected according to different carriers 200.

In some embodiments, the second connection member 401 includes insertion blocks 401a and insertion slots 401b, the insertion slots 401a are disposed on two sides of the upper cover 400, the insertion slots 401b are disposed on two ends of the carrier 200, the number of the insertion blocks 401a and the number of the insertion slots 401b are matched, and the upper cover 400 is fixedly connected to the carrier 200 by inserting the insertion blocks 401a into the corresponding insertion slots 401 b.

To sum up, the utility model provides a pair of general type lithium battery module structure, outside parcel shell 300 through aluminium shell electricity core 100 and uncovered department at shell 300 top sets up insulating upper cover 400 and is used for protecting aluminium shell electricity core 100, weld through flexible acquisition board 201 and connecting bar 202 on the carrier 200, and the battery module of lithium cell is constituteed with aluminium box electricity core 100's utmost point post welding to the connecting bar 202, obtain a structural reliability is strong, insulating isolation, it is fire-retardant, the general type lithium battery module structure of shock resistance pressure and the welding installation of being convenient for, this battery module has very strong commonality, can be applied to different series open and stop in the battery system, the limited not enough of current lithium battery module application range has been overcome.

The above description of the present invention does not limit the scope of the present invention. Any other corresponding changes and modifications according to the technical idea of the present invention should be included in the scope of the claims of the present invention.

Claims

1. The utility model provides a general type lithium cell battery module structure, its characterized in that, includes aluminium shell electricity core, carrier, shell and upper cover, the shell is inside to have one and to hold the chamber, aluminium shell electricity core set up in hold in the chamber, the carrier is located on the aluminium shell electricity core, just the carrier upper surface is equipped with flexible acquisition board and link bar, flexible acquisition board and link bar welding, the link bar with the utmost point post welding of aluminium shell electricity core, the carrier through set up the first connecting piece in the carrier both sides with the both sides fixed connection of shell, the upper cover is in order to cover aluminium shell electricity core with the form of carrier with the uncovered department at shell top joins in marriage, just the upper cover through the second connecting piece that sets up in the upper cover both sides with carrier fixed connection.

2. The battery module structure of claim 1, wherein the aluminum-clad cells are stacked to form more than one cell, and a thermal insulation buffer cotton is disposed between every two adjacent cells.

3. The universal lithium battery module structure of claim 1, wherein the housing comprises two side plates and two end plates, the two side plates are disposed on a set of opposite sides outside the aluminum shell battery cell, the two end plates are disposed on another set of opposite sides outside the aluminum shell battery cell, and the side plates and the end plates, the side plates and the aluminum shell battery cell, and the end plates and the aluminum shell battery cell are fixedly connected by laser welding or CMT cold welding.

4. The universal lithium battery module structure as claimed in claim 3, wherein the outer side surfaces of the two side plates are provided with a plurality of ribs.

5. The universal lithium battery module structure as claimed in claim 3, wherein the lower parts of the outer side surfaces of the two end plates are adhered with PC insulating films.

6. The universal lithium battery module structure as claimed in claim 3, wherein the first connecting member comprises positioning pins disposed on two sides of the carrier and fixing holes adapted to the positioning pins, the fixing holes are formed on the top of the end plate, and the carrier is fixed on the housing by inserting the positioning pins into the fixing holes.

7. The universal lithium battery module structure as claimed in claim 6, wherein the number of the fixing holes is plural, and the fixing holes are used for connecting different carriers.

8. The universal lithium battery module structure as claimed in claim 7, wherein the first connecting member further comprises a buckle disposed at two sides of the carrier and near the position of the positioning pin.

9. The structure of claim 8, wherein the end plate is further provided with a plurality of through holes at an upper portion thereof, the through holes being adapted to the fasteners.

10. The structure of claim 1, wherein the second connecting member comprises insertion blocks disposed at two sides of the upper cover and insertion slots adapted to the insertion blocks, the insertion slots are disposed at two ends of the carrier, and the number of the insertion blocks and the number of the insertion slots are adapted to multiple groups.